ORG-2058
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ORG-2058, also known as 16α-ethyl-21-hydroxy-19-norprogesterone, is a
progestin A progestogen, also referred to as a progestagen, gestagen, or gestogen, is a type of medication which produces effects similar to those of the natural product, natural female sex hormone progesterone in the body. A progestin is a ''synthetic co ...
of the 19-norprogesterone group which was never marketed. It has high
affinity Affinity may refer to: Commerce, finance and law * Affinity (law), kinship by marriage * Affinity analysis, a market research and business management technique * Affinity Credit Union, a Saskatchewan-based credit union * Affinity Equity Partn ...
for the
progesterone receptor The progesterone receptor (PR), also known as NR3C3 or nuclear receptor subfamily 3, group C, member 3, is a protein found inside cells. It is activated by the steroid hormone progesterone. In humans, PR is encoded by a single ''PGR'' gene resid ...
(775% of that of
progesterone Progesterone (P4) is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. It belongs to a group of steroid hormones called the progestogens and is the m ...
) and has been used in scientific research to study the role of the progesterone receptor in the body. The drug has no affinity for the estrogen receptor or the glucocorticoid receptor (less than 0.2% of the affinities of estradiol and
dexamethasone Dexamethasone is a glucocorticoid medication used to treat rheumatic problems, a number of skin diseases, severe allergies, asthma, chronic obstructive lung disease, croup, brain swelling, eye pain following eye surgery, superior vena cav ...
, respectively) and has slight affinity for the mineralocorticoid receptor, but less than that of progesterone.


See also

* Promegestone


References

Abandoned drugs Primary alcohols Diketones Norpregnanes Progestogens {{Genito-urinary-drug-stub